63993242 has 8 divisors (see below), whose sum is σ = 96031776. Its totient is φ = 31982652.

The previous prime is 63993233. The next prime is 63993247. The reversal of 63993242 is 24239936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63993196 and 63993205.

It is not an unprimeable number, because it can be changed into a prime (63993247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 11315.

It is an arithmetic number, because the mean of its divisors is an integer number (12003972).

Almost surely, 2^63993242 is an apocalyptic number.

63993242 is a deficient number, since it is larger than the sum of its proper divisors (32038534).

63993242 is a wasteful number, since it uses less digits than its factorization.

63993242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972.

The product of its digits is 69984, while the sum is 38.

The square root of 63993242 is about 7999.5776138494. The cubic root of 63993242 is about 399.9859203377.

The spelling of 63993242 in words is "sixty-three million, nine hundred ninety-three thousand, two hundred forty-two".